/*#demo1 li {color: red;} */
/*#demo1>li {color: red;} */
/* li.first~li{color: green;}
h1,h2,h3,h4,h5,h6 {font-family: "黑体"} */
h1 {color:yellowgreen;}

h1 {color: violet;}

p {text-indent: 2em;}